Configuration Example: BFD for OSPF Single-Hop Session for an Ethernet Interface

The following figure shows a BFD single-hop session that is configured for OSPFv2 for Ethernet interface 1/1/1 on two devices, Router 1 and Router2.

BFD for OSPF Single-Hop Session on an Ethernet Interface

The following configuration configures a BFD single-hop session for OSPFv2, as illustrated in the preceding figure. BFD for OSPFv2 is configured for Ethernet interface 1/1/1 on both Router 1 and Router 2. The BFD session parameters are also configured.


Router1# configure terminal
Router1(config)# router ospf
Router1(config-ospf-router)# bfd
Router1(config-ospf-router)# bfd min-tx 300 min-rx 290 multiplier 3

Router1(config)# interface ethernet 1/1/1
Router1(config-if-e40000-1/1/1)# ip address 10.0.0.1/24
Router1(config-if-e40000-1/1/1)# ip ospf bfd
Router1(config-if-e40000-1/1/1)# ip ospf bfd passive
Router1(config-if-e40000-1/1/1)# ip ospf bfd min-tx 290 min-rx 300 multiplier 3

Router2# configure terminal
Router2(config)# router ospf
Router2(config-ospf-router)# bfd
Router2(config-ospf-router)# bfd min-tx 300 min-rx 302 multiplier 3

Router2(config)# interface ethernet 1/1/1
Router2(config-if-e40000-1/1/1)# ip address 10.0.0.2/24
Router2(config-if-e40000-1/1/1)# ip ospf bfd
Router2(config-if-e40000-1/1/1)# ip ospf bfd min-tx 300 min-rx 302 multiplier 3